(3QjGM ef GdZQH JQLeI TYQjI dHYV GYeGd ddTGYQjf Tjdi hcjS (B/ s - (3eMeO GdHQYis ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1991)
Keywords: (3GdGOH GdGfLdjRis; (3GdTYQ GdGfLdjRi GdeJQLes; (3GdGOH GdGfLdjRi GdeJQLes; (3GdeLehYGJs